calm

1a quiet and peaceful time or situationthe calm of the early morningThe police appealed for calm.

2a quiet and relaxed mannerHer previous calm gave way to terror.Alex spoke with studied calm.

Which Word?calm / calmness The noun calm is usually used to talk about a peaceful time or situation:There was a short period of uneasy calm after the riot.It can also be used to describe a person’s manner:She spoke with an icy calm.Calmness is usually used to talk about a person:We admired her calmness under pressure.Idioms